Finding the Fourth Proportional to 13,748.00, 20,611.89 and 4,382.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,748.00 : 20,611.89 = 4,382.63 : x
2. Step 2: Convert to fraction form
   13,748.00/20,611.89 = 4,382.63/x
3. Step 3: Cross multiply
   13,748.00x = 20,611.89 × 4,382.63
4. Step 4: Simplify right side
   13,748.00x = 90,334,184.41
5. Step 5: Solve for x
   x = 90,334,184.41/13,748.00
6. Step 6: Final answer
   x = 6,570.72